(a) What is Pre-emphasis? Why it is used? Sketch the circuit of pre-e…
Previous year question for Communication Engineering-I.
Question
(a) What is Pre-emphasis? Why it is used? Sketch the circuit of pre-emphasis. Explain why de-emphasis must also be used.
(b) Briefly discuss Varactor diode modulator.
- Year: 2018
- Subject: Communication Engineering-I